Classification
CXRC - Natural gas
3
CHR - Chemistry of gases, liquids and melts
2
CXR - Natural gas and petroleum - chemistry and technology
2
EFP - Petroleum production, natural gas production
2
CAU - Laboratory and safety engineering in chemistry
1
CAV - Chemicals, chemical reagents
1
CHRD - Gases and their properties
1
CHX - Chemical thermodynamics
1
ECA - Energy resources
1
ETF - Fuel cells - general
1
EVA - Energy demand, energy supply - comprehensive works
1
EVH - Energy supply - economic growth
1
EWA - Energy economy
1
FMX - Metal gas systems
1
TIF - Industrial ( occupational ) safety
1
TKJ - Traffic
1
UAU - Fire, fire protection, safety at the workplace, prevention of accidents
1
YFF - Industrial safety regulations
1